__Ingredients:__

  * 1 small yellow onion
  * 1-2 carrots
  * 1-2 stalks of celery
  * vegetable oil
  * 1 lb ground beef
  * 2 tbsp [[taco seasoning]]
  * tomatoes
  * avocados
  * cheddar cheese
  * salsa
  * greens (lettuce, cabbage, spinach, etc)
  * 15 oz can of refried beans
  * tortillas



__Directions:__

First, make mirepoix: dice the onion, carrots and celery.  Add a little vegetable oil to a medium-hot pan and cook the mixture until the onion starts to become translucent.  Add the ground beef and break up with a spatula, cooking until it browns and cooks through.  Add taco seasoning and mix.

Prepare toppings: chop tomatoes and avocados, grate the cheese, heat refried beans, and wash and prepare the greens.

Serve with tortillas, salsa and any other desired toppings.